and they look at the genealogy of michele obama. then david maraniss in his book on barack obama. later, the white house videographer for the first two years of the obama presidency. >> you don't always find many in any area embracing investigative reporting. it's not just economics. if the discomfort that it often causes. because it is troublesome. it is more than economics if you are going to ruffle the feathers of someone powerful. that gives those people running into complaints of the publisher. we were very fortunate through the 70s and almost all of our prayers. let the chips fall where they may. >> donald bartlett and james steele will take your calls and e-mails and tweets next month on internet. they began their collaborative work in the 70s and are the co-authors of seven books. watch live at noon eastern on booktv on c-span2. >> someone put these missiles in cuba. the united states discovers that. then the tension builds. one of the things that happens during that time that a soviet submarine is found by american ships they knocked out the electrical system. the command